133030012123 has 8 divisors (see below), whose sum is σ = 135057210192. Its totient is φ = 131004039936.

The previous prime is 133030012111. The next prime is 133030012139. The reversal of 133030012123 is 321210030331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133030012123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133030012123.

It is not an unprimeable number, because it can be changed into a prime (133030016123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86590 + ... + 523027.

It is an arithmetic number, because the mean of its divisors is an integer number (16882151274).

Almost surely, 2^133030012123 is an apocalyptic number.

133030012123 is a deficient number, since it is larger than the sum of its proper divisors (2027198069).

133030012123 is an equidigital number, since it uses as much as digits as its factorization.

133030012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612941.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 133030012123 its reverse (321210030331), we get a palindrome (454240042454).

The spelling of 133030012123 in words is "one hundred thirty-three billion, thirty million, twelve thousand, one hundred twenty-three".